Question

If a+b+c+d=1 ,then the maximum value of (1+a)(1+b)(1+c)(1+d)=?

Answer 1

Answer:

5

Step-by-step explanation:

1+a+1+b+1+c+1+d

4+a+b+c+d

as we know a+b+c+d=1

then,

4+1

=5